Physical activity Is associated with malignant and benign breast diseases in iow-income brazilian women.
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2014
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We compared the relationships among percentage of body fat
(%BF) and physical activity with breast cancer (BC) and benign
breast diseases (BBD) in low-income Brazilian women. A casecontrol
study including 106 incident BC cases, 178 incident BBD
cases, and 181 control women recruited from a public hospitalbased
screening center was conducted. Logistic regression models
showed that sedentary women have a higher odds of developing BC
in the age adjusted model [odds ratio (OR) = 2.39, 95% confidence
interval (CI) 1.43–3.99]. After adjusting for hormonal-related risk
factors and family history of breast cancer (OR = 2.94, 95%CI
1.50–5.79) and also for the %BF (OR = 2.71, 95%CI 1.36–5.37) the
odds remained high. Independent of the adjustments made, %BF
did not affect the odds for developing BC. When the same models
were tested for women with BBD, we found a significant association
with sedentary lifestyle in all models tested, with an OR = 3.03
(95%CI 1.69–5.42) in the fully adjusted model. In the same way, in
the fully adjusted model %BF was significantly associated to risk
for BBD (OR = 0.54, 95%CI 0.30–0.98). Similar to results found
in other populations, our data suggest that physical activity is an
important, independent protective factor for the risk of developing
BC and BBD in low-income women from an admixed population.
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PENA, G. das G. et al. Physical activity Is associated with malignant and benign breast diseases in iow-income brazilian women. Nutrition and Cancer, v. 66, n. 4, p. 707-715, 2014. Disponível em: <http://www.tandfonline.com/doi/abs/10.1080/01635581.2013.801997>. Acesso em: 29 jan. 2017.